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/*
* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef CROS_GRALLOC_BUFFER_H
#define CROS_GRALLOC_BUFFER_H
#include <memory>
#include "cros_gralloc_helpers.h"
class cros_gralloc_buffer
{
public:
static std::unique_ptr<cros_gralloc_buffer>
create(struct bo *acquire_bo, const struct cros_gralloc_handle *borrowed_handle);
~cros_gralloc_buffer();
uint32_t get_id() const;
uint32_t get_width() const;
uint32_t get_pixel_stride() const;
uint32_t get_height() const;
uint32_t get_format() const;
uint64_t get_format_modifier() const;
uint64_t get_total_size() const;
uint32_t get_num_planes() const;
uint32_t get_plane_offset(uint32_t plane) const;
uint32_t get_plane_stride(uint32_t plane) const;
uint32_t get_plane_size(uint32_t plane) const;
int32_t get_android_format() const;
int64_t get_android_usage() const;
/* The new reference count is returned by both these functions. */
int32_t increase_refcount();
int32_t decrease_refcount();
int32_t lock(const struct rectangle *rect, uint32_t map_flags,
uint8_t *addr[DRV_MAX_PLANES]);
int32_t unlock();
int32_t resource_info(uint32_t strides[DRV_MAX_PLANES], uint32_t offsets[DRV_MAX_PLANES],
uint64_t *format_modifier);
int32_t invalidate();
int32_t flush();
int32_t get_reserved_region(void **reserved_region_addr,
uint64_t *reserved_region_size) const;
private:
cros_gralloc_buffer(struct bo *acquire_bo, struct cros_gralloc_handle *acquire_handle);
cros_gralloc_buffer(cros_gralloc_buffer const &);
cros_gralloc_buffer operator=(cros_gralloc_buffer const &);
struct bo *bo_;
/* Note: this will be nullptr for imported/retained buffers. */
struct cros_gralloc_handle *hnd_;
int32_t refcount_ = 1;
int32_t lockcount_ = 0;
struct mapping *lock_data_[DRV_MAX_PLANES];
/* Optional additional shared memory region attached to some gralloc buffers. */
mutable void *reserved_region_addr_ = nullptr;
};
#endif
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